About Hex Head Screws and Bolts
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Medium-Strength Metric Class 8.8 Steel Square-Neck Carriage Bolts
Fully Threaded
These Class 8.8 steel bolts are suitable for fastening most machinery and equipment. A square neck keeps them from turning when tightening a nut. A smooth, rounded head provides a finished look. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | Neck | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing  | Dia., mm | Ht., mm | Wd., mm | Lg., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Class 8.8 Steel | |||||||||||
M20 × 2.5 mm | |||||||||||
| 60 | Fully Threaded | Coarse | 43 | 10.9 | 20.84 | 5 | 120,000 | ASME B18.5, ISO 8678 | 1 | 000000000 | 00000 |